$ git clone -n https://src.fedoraproject.org/rpms/rust-rand_isaac0.1.git /var/lib/mock/f40-build-2327112-58850/root/chroot_tmpdir/scmroot/rust-rand_isaac0.1
Cloning into '/var/lib/mock/f40-build-2327112-58850/root/chroot_tmpdir/scmroot/rust-rand_isaac0.1'...
$ git fetch origin 9d798bafa89217fa29e306389981431c129462e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rand_isaac0.1
 * [new ref]         9d798bafa89217fa29e306389981431c129462e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d798ba Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild